Fix Prevention

Arch Linux — freeradius — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — freeradius — multiple vulnerabilities (7 CVEs) — patch and remediation guide

  • August 31, 2019
  • Linux
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🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-201707-23 Related CVEs: CVE-2017-10987 CVE-2017-10986 CVE-2017-10985 CVE-2017-10984 CVE-2017-10983 CVE-2017-10978 CVE-2017-9148 Upstream summary: Type: multiple issues. Status: Fixed. Affected: 3.0.14-4. Fixed in: 3.0.15-1. Group: AVG-357. Table of contents Symptom & Impact […]

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How to Install Rust and Cargo on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Install Rust and Cargo on RHEL 8

  • August 31, 2019
  • Linux
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Rust is a systems programming language focused on safety, speed, and concurrency. On RHEL 8, the recommended way to install Rust is through rustup, the official Rust toolchain installer, which lets you manage multiple Rust versions and cross-compilation targets from a single tool. This approach keeps your Rust installation self-contained under your home directory and […]

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FreeBSD 12 — apache+mod_ssl+mod_snmp+mod_accel+mod_deflate+ipv — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — apache+mod_ssl+mod_snmp+mod_accel+mod_deflate+ipv — multiple vulnerabilities (3 CVEs) — patch and remediation guide

  • August 31, 2019
  • BSD
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🟡 Medium   ⏱ 10–30 min  Last verified: 31 August 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: apache — Prevent chunk-size integer overflow on platforms where sizeof(int) < sizeof(long) Related CVEs: CVE-2005-2088 CVE-2005-3352 CVE-2006-3747 Upstream summary: Apache ChangeLog reports: Integer overflow in the ap_proxy_send_fb function in proxy/proxy_util.c […]

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How to Configure Nginx Rate Limiting and Connection Throttling on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Configure Nginx Rate Limiting and Connection Throttling on RHEL 8

  • August 31, 2019
  • Linux
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Rate limiting and connection throttling are essential defences against brute-force attacks, credential stuffing, and high-volume web scrapers. Nginx provides two built-in modules — ngx_http_limit_req_module for request-rate limiting and ngx_http_limit_conn_module for connection limiting — both compiled into the default binary. On RHEL 8 these capabilities are available immediately after installing Nginx from the AppStream module stream […]

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FreeBSD 12 — cacti — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — cacti — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • August 31, 2019
  • BSD
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🟠 High   ⏱ 15–60 min  Last verified: 31 August 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: cacti — Multiple vulnerabilities Related CVEs: CVE-2009-4032 CVE-2010-1431 CVE-2013-1434 CVE-2013-1435 CVE-2013-5588 CVE-2013-5589 CVE-2014-2326 CVE-2014-2327  +12 more Upstream summary: Cacti repo reports: security #GHSA-c5j8-jxj3-hh36: Authenticated RCE via multi-line SNMP responses security […]

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Common Problems 118551

Ubuntu 16.04 LTS – black screen after installing NVIDIA driver – Fix & Prevention

  • August 30, 2019
  • Linux
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🟠 High   ⏱ 5–30 min  Last verified: 30 August 2019 Affected versions: Ubuntu 16.04 LTS 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors […]

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FreeBSD 12 — gld — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — gld — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • August 30, 2019
  • BSD
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🟢 Low   ⏱ 5–15 min  Last verified: 30 August 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: gld — format string and buffer overflow vulnerabilities Related CVEs: CVE-2005-1099 CVE-2005-1100 Upstream summary: Gld has been found vulnerable to multiple buffer overflows as well as multiple format string vulnerabilities. […]

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Amazon Linux 2 — python-virtualenv — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — python-virtualenv — multiple vulnerabilities (3 CVEs) — patch and remediation guide

  • August 30, 2019
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2020-1413 Related CVEs: CVE-2018-18074 CVE-2018-20060 CVE-2019-11236 Upstream summary: urllib3 before version 1.23 does not remove the Authorization HTTP header when following a cross-origin redirect (i.e., a redirect that differs in […]

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How to Configure Database Backups with Automysqlbackup on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Configure Database Backups with Automysqlbackup on Debian 9

  • August 30, 2019
  • Linux
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Introduction This guide explains how to Configure Database Backups with Automysqlbackup on Debian 9 on Debian 9 Stretch. Debian Stretch uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 9 install with […]

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Common Problems 113592

Windows Server 2012 R2 DFS Namespace Referrals Slow Due to Overloaded File Targets – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 30 August 2019 Affected versions: Windows Server 2012 R2 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related […]

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